You cannot start mining TrueUSD token as all TrueUSD tokens are mined. It uses Ethereum Blockchain while TUSD works on Bitcoin Blockchain. The main motive of these two cryptocurrencies is to be a stable coin in order to compete for fiat coin. Due to the increase in volatility of pairs such as BTC and ETH exchanges need a stable coin to ensure investors and increase their trust in cryptocurrencies. Mining these coins will be against their motive.
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